Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 5.32
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index -1.52
Calving Interval (days) 1.68 -1.459 -2.45
Survival (%) 0.83 1.117 0.93
Calving Sub Index -1.33
Gestation Length (days) 1.45 -0.919 -1.33
Beef Sub Index 1.20
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 7.52

* Based on an €80/tonne carbon price